India's Roopkund Lake, also known as Skeleton Lake, is the site of gruesome sculptures of human bones. Many causes of these deaths have been proposed, from hail to divine intervention. But scientists now think that whatever happened, it...

It's a hard world out there, especially for a little guy. So what's a soft-bodied animal to do? Turns out that marine invertebrates basically figured out the best defense system of all time, and nobody's a better demonstration of that...

So you've probably heard by now that a biotech company called Colossal Biosciences has brought dire wolves back form extinction. Or at least.... they SAY they did. We wanted to break down all the science in their claims, and get to the...

Are you an insect fetus who'd rather not get eaten by your siblings? How about a baby frog who'd rather not drown before getting to leave your egg? Well, you had better figure out a way to hatch when you need to. Hosted by: Hank Green

The number of people with Parkinson's Disease has doubled in just 25 years, but its rise has been much worse in some places than in others. Hosted by: Stefan Chin (he/him)

A huge number of vehicular fatalities are people who aren't in cars at all. Pedestrians are dying more than they used to and more in America than other comparable parts of the world. Here's why. Hosted by: Savannah Geary (they/them)

Silfra Fissue in Iceland is a remarkable place where the Earth is tearing itself apart. Here, intrepid divers can reach out and touch two continents at once. But... should they? Hosted by: Reid Reimers (he/him)

Correction: This episode has some mistakes in our on-screen credits. The Writer is Tom Rivlin, the script Script Editor is JD Voyek, and the Fact Checker is Angela Reed. Have you ever listened to someone speaking a foreign language and...

There are a lot of great debates in science, and a major one is when exactly humans reached the Americas. There's contentious footprints and wishy-washy stone tools, all of which has spurred some heated academic arguments. But the most...

In a nuclear explosion, how close you are impacts your chance of survival. But who you are also has more influence than you might think. If everyone on Earth were equidistant from the bomb, here's the last person standing. Hosted by:...

Are you old enough for your childhood to be filled with the threat of acid rain? Are you now thinking "Wait, why haven't I heard about the threat of acid rain in forever?". Well it's because scientists and policymakers around the world...

Does eating soy make you more feminine? Is sunscreen actually bad for you? (No.) Here are five bad takes about human health, and the real truth behind them. Hosted by: Stefan Chin (he/him)

Plant-based meat alternatives have come a long way, but scientists continue to look for sources of protein that will improve on them. Here are five of the most promising plants being researched. Hosted by: Stefan Chin (he/him)

Reforesting unneeded farmland could be a huge key for getting the climate crisis under control. Which is why Pat Brown, creator of the Impossible Burger, is trying to figure out the best way to do it. Hosted by: Stefan Chin (he/him)

We've been coming up with games to pass the time for just about as long as we've had writing, but sadly, not all of our oldest board games come with the rule books intact. Here's a few of the oldest board games ever from, from Patolli to...

After Albert Einstein died, researchers studied his brain exhaustively, trying to find the source of his genius. Here are their findings. Hosted by: Stefan Chin (he/him)

Bismuth crystals aren't just pretty to look at. If you can get pieces thin enough, they display something called the Anomalous Hall Effect. Physicists aren't entirely sure how they manage to do that, but that doesn't stop them from...

The Appalachian Mountains are some of the oldest geological features on earth. And they also hold fossils that tell us about some of the very earliest life forms that we'll ever manage to see in the fossil record. So how did these...

Archaeology isn't exactly easy, so it's pretty impressive how often we can figure things out about people that aren't around anymore. But that's not always possible, and some mysteries leave archaeologists puzzled for centuries. From...

If you have ambitions to start exercising or get the most out of your exercise routine, there are a lot of flashy tricks promising to help you. But not all of them are supported by science. Do ice baths help? Stretching? Heat? This video...

Look, we all think platypuses are weird. Just one look at these beaver-tailed, egg-laying, duck-billed weirdos makes you wonder how we're even both mammals. But I have news for you - when it comes to mammal lifestyles, monotremes aren't...

Today, the Great Salt Lake of Utah has multiples of the ocean's salt concentration. But it didn't used to be so salty. In fact, it used to be Lake Bonneville. And we know its story thanks to microscopic diatoms and Dr. Ruth Patrick....

From fake Etruscan clay statues to reburied Japanese Stone Age tools; from a prank that spiraled out of control to a simple case of black market greed, here are the stories of four artifact forgeries. Hosted by: Hank Green (he/him)

It's really rare to find fossils, which means that when they're lost again after someone dug them up, it really hurts. These are a few of the most famous fossils that went missing after someone found them, and what researchers can still...